Ionization Energy Worksheet

 

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  1. What is ionization energy?

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  2. General trend on the periodic table:

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  3. What can ionization energy tell us about core and valence electrons? 

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  4. Why does phosphorus have a first ionization energy of 1060 kJ/mol and sulfur have a first ionization energy of 1005 kJ/mol?

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  5. Which configuration would have the highest 1st ionization energy and which would have the lowest 2nd ionization energy?

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    1. 1s22s22p6 – this would have the highest first ionization energy.

      2.  

    2. 1s22s22p63s1

      3.  

    3. 1s22s22p63s2 – this would have the lowest first ionization energy. 

     

     

  6. Which in each set has the smallest 1st ionization energy?

      7.  

    1. Ca, Sr, Ba

      2.  

    2. N, O, F

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    3. S2-, S, S2+

     

     

  7. To which family would the following element belong?

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